Railroad crossing gate



o. o. LEES ET AL.

RAILROAD CROSSING GATE June 16, 1931 Filed July 14 14930 2 Sheets-Sheetl 'LMQGSI June '16, 1931. o. o. LEES ETAL RAILROAD CROSSING GATE FiledJuly 14, 1950 2 Sheets-Shet 2 Patented June 16, 1931 UNITED STATES amarOBED 0. LEES AND THOMAS J. FINN, or corona-us; onro; si rn tans Assm onr sail) FINN; ELLA s. BAILEY, EXECUTRIX 0F SAID THOMAS J. FINN, nncnnsnnRAILROAD CROSSING GATE Application filed July 14,

This invention appertains to new and useful improvements in railroadgrade crossing gates, and more particularly to a gate of the motoroperative type.

The principal object of the invention is to provide a railroad gateadapted to be actuated through the agency of a railroad block circuit.

Another object of the invention is to provide a railroad gate which willpermit vehicles trapped on the railroad tracks to pass therethru. 3

During the course of the following specification, other importantobjects and advantages of the invention will readily become apparent tothe reader.

In the drawings Figure 1 represents a side elevational view of the novelgate structure.

Fig. 2 represents a fragmentary top plan view of the gate structure.

, Fig. 3 represents a horizontal sectional View through the gatestructure, taken substantially on the line 33 of Fig. 4.

r Fig.4 represents a vertical sectional View through the mechanism foroperating the ate. b Fig. 5 represents a side elevational view of thetrackway for the structure shown in Fig. 4.

Fig. 6 represents a fragmentary side elevational view of the governor.

Referring to the drawings wherein like numerals designate like parts, itcan be seen that numeral 5 represents a raised base structure ofcircular formation, upon which the track 6 is mounted. The track 6 is ofannular formation, and has inclined portions thereon, leading upwardlyto risers 7 which 40 serve as abutments for the'oasters 8 on the bottomof the platform 9. This platform 9 is located within the cylindricalhousing 10,

is suitably secured thereto and supports the motor 11. The armatureshaft of the motor 45 11 is provided with a bevel gear 12 for mesh withthe bevel gear 13 on thevertical shaft 14.

As clearly shown in Fig. 4, the track 6 is anchored to the base 5, bysuitable anchors 15. The lower end of the shaft 14 bears 1936. sea-amama. againstthe tiara-m9 preferably in the bear ing recess the-'e1n,'while the upper end thereof engages within'the bearing 16 on thecross ember 17 Numeral 18gener'ally refers to the goverl nor whichincludes the stationary collar 19 on the shaft 14 and theslid'ablecollar 2 0 hav ing the swivel ring 20a thereon. A pair of weightmen'lbers 21 21 are provided, and between these weight members 21 21 andthe stationary collar 19 and movable collar 20, link members 22 areprovided." v

The swivel ring 20a carries pintles 23 whereby the yoke 24 is s'wivellyconnected to the said collar. This yoke 24 has an elongated arm 25extending upwardly from the same for pivotal'connection as at 26 to thebel lcrank 27. This bell crank'27 is located on thehorizontal shaft 28which extends at its enfds beyond the outer side of the housing '10. Theouter ends of the shaft 28 are se cured to opposite sides of theframe29,which framehas the railroad crossing gate 30 pmjectinglongitudinally therefrom. This gate bar 30 may be equipped with asuitable signal ligh't 31andi is also provided with a prop 32.

Xt'endingin an opposite direction from the gate'bar 30 and securedtofopposite ends of the shaft 28 are the bars 33 for supporting thecounter balaheing weights 34.

It can how, be seen that when the track circuit of the railroad isclosed to energize the motor 11', the motor will serve to rotate theshaft 14. As the shaft 14 rotates, the governor 18 will contract anddraw down on the arm 25, thus resulting in the lowering of the gate bar30 (see Fig. 4).

When the gate reaches a horizontal posi- V tion and is prevented bysuitable stop means from lowering further,.the shaft 14 will continue torotate, but with the governor fixed against further contraction, servingnevermoves to a position transversely of the roadway. Should a vehiclebe trapped between the gate of a railroad crossing, the vehicle needonly travel against the gate in its path. The gate will swing with thehousing, with the caster wheels 8 riding against the inclined surfacesof the track 6, until they abut the risers 7. The wheels 8 need notactually engage the rise-rs 7, unless the gate bar is moved a distanceof approximately 90. When the vehicle passes by the gate bar, the samewill return back to a position transversely of the roadway by thedescent of the caster wheels on the inclined surfaces of theaforementioned track 6.

While the foregoing specification sets forth the invention in definiteterms, it is to be understood that numerous changes in the shape, sizeand materials may be resorted to without departing from the spirit andscope of the invention as claimed hereinafter.

Having thus described my invention, what we claim as new is 1. A gradecrossing gate of the character described comprising a revolvable stand,a swingable gate bar mounted on the stand, a shaft mounted within thestand, a governor on the shaft, a connection between the governor andthe gate bar, and a motor for operating the shaft.

2. A grade crossing gateof the character described comprising arevolvable stand, a swingable gate bar mounted on the stand, a shaftmounted within the stand, a governor on the shaft, a connection betweenthe governor and gate bar, a motor for operating the shaft, and aplatform on which the motor is mounted, said platform being secured tothe stand, and a wheeled support for the said platform.

3. A railroad gate comprising a housing, a swingable gate bar carried bythe housing, a lever projecting from the gate bar, a vertical shaftwithin the housing, a governor operated by the shaft, a motor foroperating the shaft, a swivel on the governor, and a linked connection 1etween the arm and the said swivel on the governor.

In testimony whereof we afiiX our signatures.

OBED O. LEES. THOMAS J. FINN.

